Work with new window in IE

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Hello!

I need help on this matter:

There is a page on the website (1).

When you click the link in a new window opens the form (2), which entered the data and click "OK."

After this page(1) is updated

Question: how to catch the window (2) and after filling the form and click "OK" to continue to work with the page (1)?

If all open in one window, it does not work, because there is no page (1).

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Thank everybody >_<

Found a solution, it can be done with _IEAttach